Question

Differentiate between symport, antiport, and uniport.

Answer 1

Symport: Transport of the two different ions or molecules in same direction.

Antiport: Transport of two different molecules in opposite direction.

Uniport: Transport of only one molecule without coupling for the transfer of another ion or the molecule.

Symport	Antiport	Uniport
1.) The movement of the two molecules in the same direction through a protein channel is known as the symport.	1.) The movement of the two molecules in the opposite direction just through the channel is known as antiport	1.) The movement of one molecule being independent of the other molecule is known as uniport.
2.) Here, in this two molecules are transported in the same direction.	2.) Here , in this two molecules are transported in the opposite direction.	2.) Here, the direction of transport is in either side inside or the outside.
3.) Also the Sodium-glucose symport is present in the lining of the small intestine.	3.) Also the Sodium-calcium antiport is present in the cardiac muscle cells.	3.) GLU 1 is actually a glucose transporter that is present in the membrane of erythrocytes.
4.) Basically the two Sodium ions and the one glucose molecule are all transported into the enterocyte cells.	4.) Basically three Sodium ions and also the one Calcium ion are all transported in the opposite direction.	4.) Basically it will help in taking up the glucose.